532 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



length .27 mm.; ii, .96 mm., slender, thickness at apex equal to 

 segment iii ; iii, .46 mm. ; iv, .37 mm. ; colored as in the male. 



Holotype: Male, 2 Aug.., 1916, Honeoye Falls, N. Y. (H. H. Knight) ; 

 author's collection. Allotype: same data as the type. Paratypes : Males 

 (10) and females (4), taken with the types on Salix nigra. District of 

 Columbia— Male, 10 July, 1898, Washington (O. Heidemann). Maryland 

 — Male, 10 July, Glen Echo (O. Heidemann). Minnesota — Males (2) and 

 female, 12 July, 1921 (A. Hertig), male and female, 20 July, 1920, Gray 

 Cloud Island, Ramsey County (H. H. Knight). New York — Males (4) 

 and female, 4 Aug., males (2) and females (4), 6 Aug., males (3) and 

 females (2), 10 Aug., female, 17 Aug., 1916, Batavia, New York (H. H. 

 Knight). Ohio — Male, 17 July, 1915, Bay Point (C. J. D,rake). 

 Ceratocapsus incisiis Knight, new species. 



General aspect very similar to pumilus but antennal segment iii 

 shorter, apical half of membrane more distinctly infuscated while 

 the femora remain uniformly yellowish or greenish; genital 

 claspers distinctive. 



Male: Length 3.7 mm., width 1.49 mm. Head : Width .71 mm., 

 vertex .30 mm. ; blackish, reddish beneath. Rostrum, length 

 1.38 mm., nearly attaining hind margins of middle coxae, yellowish, 

 basal segment reddish, apex blackish. 



Antennae: Segment i, length .28mm., yellowish, tinged with 

 reddish; ii, 1.07mm., slender at base and gradually thickened 

 toward apex, but not attaining the thickness of segment i, yellow- 

 ish, dusky at apex; iii, .49mm., brownish, nearly equal to thick- 

 ness of segment ii; iv, .39mm., brownish, equal to segment iii in 

 thickness. 



Pronotum: Length .64 mm., width at base 1.26 mm.; more 

 blackish than in fuscinus but with pubescence very similar. 

 Scutellum brownish black. Sternum reddish to blackish, pleura 

 black; ostiolar peritreme pale, tinged with reddish. 



Hemelytra : Nearly as in fuscinus but the corium darker, cuneus 

 dark reddish brown. Membrane and veins fumate, apical half 

 fuscous, margins slightly paler. 



Legs : Yellowish to greenish, not distinctly darker on apical 

 half. Venter dark reddish brown to piceous, scarcely paler 

 beneath; genital claspers distinctive, basal prong of right clasper 

 incised at apex, the dorsal portion drawn out to a slender point. 



Female: Length 4 mm., width 1.7 mm. ; very similar to the male. 

 Head : Width .y2 mm., vertex .33 mm. Antennae : Segment i, 

 length .33 mm.; ii, i.ii mm., slender, slightly thicker at apex, 

 yellowish; iii, .49mm., brownish, paler at base; iv, .39mm., 

 brownish. 



Occurs on Salix. 



Holotype: Male, 26 July, 1916, Ithaca, N. Y. (H. H. Knight) ; author's 

 collection. Allotype: same data as the type. Paratypes: Males (6) and 

 females (2), taken with the types on SolLr. New York — Males (2) and 

 females (3), 29 July, male, 30 July, male, 6 Aug., 1916, Batavia; males 

 (8), 23 July, 1916, Ithaca; male, 13 Aug., 1916, Cattaraugus County (H. H. 

 Knight). 



